Patents
Sitemap › E04 - Building › E04G - Scaffolding; Forms; Shuttering; Building implements or other building aids, or their use; Handling building materials on the site; Repairing, breaking-up or other work on existing buildings › E04G 21 - Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Patents for E04G 21 - Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work (22,137)
12/1990
12/25/1990US4979589 Work apparatus for a work on a wall surface
12/20/1990DE4003852A1 Temporary roof made of sheet material - comprises hoses alongside each other on structure and filled with gas
12/20/1990DE3919983A1 Ascertaining vol of cavity e.g. in concrete building block - measuring air current rushing in after withdrawing air to predetermined pressure below atmosphere
12/19/1990CN1010867B Method and device for feeding concrete into drill hole in concrete bolting of rock
12/18/1990US4978073 Apparatus for pneumatically discharging liquified building material containing a hardener
12/18/1990US4977715 Reinforced-concrete building element
12/18/1990CA1277847C Anchoring system for handling a heavy concrete slab
12/13/1990DE3918584A1 Temp. controller fluent building material - has microwave generators spaced along microwave-transparent feed line coupled to pump
12/13/1990DE3918516A1 Telescopic post supporting room divider - is held at required height by transverse pin
12/12/1990CN1047717A Automatic control device of lifting for laying bricks and whitewash
12/11/1990US4976086 Method and device for building a greenhouse
12/11/1990US4976041 Base-point anchor
12/05/1990EP0400795A1 Masonry supporting device
11/1990
11/28/1990EP0399961A1 Stirrup for use in building for the attachment and stretching of the string used as reference for the correct alignment of walls
11/28/1990EP0398937A1 Protective lath making a plaster joint when plastering a wall.
11/27/1990US4972924 Modular scaffolding gantry
11/27/1990CA1276856C Enclosure
11/27/1990CA1276777C Method of producing an annular steel wedge formed of a plurality of parts and used for anchoring a tension element in prestressed concrete
11/25/1990CA2014040A1 Masonry supporting device
11/22/1990EP0398078A2 Compact piston vibrator
11/20/1990US4970797 Mason's scale and masonry guide employing said scale
11/15/1990WO1990013718A1 Fastening apparatus
11/14/1990CN2065645U Casting machine for concrete pipe
11/13/1990US4969789 Machine for handling modular building components
10/1990
10/31/1990CN1010189B Reinforcement binding machine
10/24/1990EP0394104A1 Clamp device with self-clamping jaws, in particular for a hydraulic linear winch
10/23/1990US4964775 Mobile home positioner
10/23/1990US4964731 Shotcrete gun
10/17/1990CN2063962U Vaccum suction apparatus of concrete structure
10/16/1990US4962828 Debris net/scaffolding frame lifting system
10/11/1990DE3911677A1 Machines for cleaning high buildings - has attached mast consisting of articulated sections
10/11/1990DE3911398A1 Process for sealing concrete filling nozzles, and apparatus for carrying out the process
10/11/1990DE3910796A1 Conveying hose for building materials with an easy-to-operate cleaning device
10/10/1990EP0391013A1 Device for connecting at least two rods
10/04/1990DE4009800A1 Fastening foundation anchor bolt head - inserts all threaded sections of tensile members into lower anchor disc, clamps them, and secures sequentially
10/04/1990DE3910204A1 Railing
10/03/1990EP0390098A1 kit for railings
10/03/1990CN2063141U Electric spading and quarrying machine
10/02/1990CA1274717A1 Levelling device for producing a smooth surface
10/02/1990CA1274703A1 Connecting and pressure-distributing element for concrete structural members
10/02/1990CA1274702A1 Prestressing anchor arrangement
09/1990
09/27/1990DE3909212A1 Apparatus for introducing concrete into tunnel shutterings
09/26/1990EP0388992A2 Reinforcement connection as well as holder for a reinforcement connection
09/25/1990US4958961 Anchoring arrangement for a rod-shaped tension member formed of fiber reinforced composite material
09/25/1990US4958814 For building components
09/20/1990WO1990010770A1 Safety support structure
09/20/1990WO1990010763A1 Anchors
09/20/1990DE4008222A1 Coupling two intersecting rods by wire
09/20/1990DE3908667A1 Flexible template system
09/19/1990EP0388350A1 Method and arrangement for tying two crossing bars
09/19/1990EP0387472A1 Twistable wire clamp for connecting or sealing elements
09/12/1990EP0387120A1 Device for the rapid filling of the joints in brickwork with optimum characteristics, which can also be generally used for depositing on a support and making mortars, clay and viscous, granular or pulverized products
09/12/1990EP0386208A1 Process and device for intermittently spraying a pasty composition
09/11/1990WO1990010588A1 Device for conveying fluid materials
09/11/1990US4955592 Lifting and positioning device for cabinets and construction panels
09/11/1990CA2050476A1 Device for conveying fluid materials
09/06/1990DE4006091A1 Spritzmischduesenaggregat, insbesondere fuer das beton-trockenspritzen Spritzmischduesenaggregat, especially for the concrete-dry spray
09/05/1990EP0385131A1 Process for the treatment of supports for reinforcements
09/05/1990CN2061581U Sling for hollow slab
09/05/1990CN1045144A Vacuum water absorber for concrete stracture
09/04/1990US4953720 Crane and method for using crane
09/04/1990US4953598 Wire tying tool for concrete reinforcing steel
08/1990
08/29/1990EP0384817A1 Plant for making prestressed concrete articles, in particular elongate construction elements
08/29/1990EP0383771A1 Device for supporting a frame.
08/29/1990CN2061189U Vertical cone-shaped concrete hooper
08/28/1990CA1273219A1 Concrete finishing machine having counter-balanced blade pitch adjustment apparatus
08/22/1990CN1044841A Building construction system
08/21/1990US4950101 Shaft coupling construction for a vibratory screed
08/16/1990EP0382608A1 Method of making an excavation by the trench wall technique involving the use of releasably prestressed floor elements
08/16/1990DE3904499A1 Supporting leg for a scaffolding pole
08/14/1990US4947902 Device for twisting wires for connecting rods
08/14/1990US4947613 Retaining device
08/09/1990WO1990009497A1 Building construction system
08/09/1990DE4000031A1 Temporary handrail for concrete structure - has uprights which are held vertical by distance pieces
08/09/1990DE3903575A1 Retaining apparatus which is to be used in the building industry and is intended for retaining auxiliary devices, in particular guardrail boards or shuttering boards
08/09/1990DE3902586A1 Reinforcement connection
08/09/1990CA2045509A1 Building construction system
08/02/1990DE4002143A1 Ram operated construction material skip hoist - has linkage moving strip slider for over twice ram working distance
08/01/1990EP0379849A2 Shotcrete gun
07/1990
07/31/1990US4944365 Safety net system
07/31/1990US4944123 Construction prop base
07/26/1990DE4000971A1 Concrete reinforcing steel rod joint
07/25/1990EP0379141A1 Concrete reinforcement connection
07/24/1990US4942943 Roofing safety device
07/24/1990US4942701 Hydraulic winch system for use in erecting clear-span, pole-type buildings
07/24/1990US4942670 Adhesive template tape
07/17/1990US4941515 Lashing machine
07/12/1990WO1990007620A1 A method and a device to locate a load carrying member with precision in connection to the casting of a bottom plate for a building
07/12/1990DE3842435C1 Protective device for building sites
07/10/1990US4939846 Adjustable guide assembly for stone masons and method of use thereof
07/10/1990CA1271464A1 U-bolt type anchor for building safety lines
07/04/1990EP0376925A2 Rock anchor element
07/04/1990EP0213132B1 A method and machine for levelling concrete when casting large concrete areas
07/04/1990CN1043488A Concrete modifier, method for modifier concrete
07/03/1990US4937946 Masonry line stretcher
06/1990
06/28/1990DE3842089A1 Device for fastening web-like material, in particular plastic sheets or the like
06/21/1990DE3842784A1 Protective covering for the installation of windows, doors or the like
06/20/1990EP0374130A2 Rock anchoring
06/19/1990US4935186 Method of manufacturing concrete beams
06/19/1990US4934643 Holder for screed rail
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